. >>> next, the hunt for jimmy hoffa, decades after he disappeared, a tip could crack a cold case open. >>> shooter opens fire at a sign company in minneapolis before turning the gun on himself. i'm tahman bradley with the details coming up. >> first, here's john muller with this morning's tech bites. >> reporter: facebook unwraps gift service some of the members can send gifts, real, not virtual to other members. facebook gifts will be available to all users eventually.vd android phones are boasting they have near field communication technology which will let them communicate with other nearby devices apple iphone 5 doesn't have it. they say that shouldn't be a factor. >> it is getting attention in the -- the fact is that presents real challenges they there are not a lot of terminals that can handle nfc. >> apple fields wallet app is sufficient and it only took a few hours to top download charts, latest game from makers of angry birds features some of the >>> good morning. we have fog in san francisco and around the bay certain lay long the coast. meteorologist mike nicco is checking